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{"ops":[{"insert":"*\u9891\u7387\u8303\u56f4\uff1a30Hz-20kHz \n*\u7075\u654f\u5ea61W\uff0c1m\uff1a90dB SPL \n*\u53d8\u538b\u5668\u62bd\u5934\uff1a100V\uff1a50\uff0c25\uff0c12W\n*70V \uff1a50\uff0c25\uff0c12\uff0c6W \n*\u5587\u53ed\u5355\u5143 \u4f4e\u97f3\uff1a8\u5bf8 \u5587\u53ed\u5355\u5143 \u9ad8\u97f3\uff1a1\u5bf8 \n*\u4f53\u79ef(\u9ad8x\u5bbdx\u6df1)\uff1a334x257x110mm"},{"insert":"\n"}]}
